125211044156 has 12 divisors (see below), whose sum is σ = 239039266200. Its totient is φ = 56914110960.

The previous prime is 125211044137. The next prime is 125211044213. The reversal of 125211044156 is 651440112521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422852731 + ... + 1422852818.

It is an arithmetic number, because the mean of its divisors is an integer number (19919938850).

Almost surely, 2^125211044156 is an apocalyptic number.

It is an amenable number.

125211044156 is a deficient number, since it is larger than the sum of its proper divisors (113828222044).

125211044156 is a wasteful number, since it uses less digits than its factorization.

125211044156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845705564 (or 2845705562 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 125211044156 its reverse (651440112521), we get a palindrome (776651156677).

The spelling of 125211044156 in words is "one hundred twenty-five billion, two hundred eleven million, forty-four thousand, one hundred fifty-six".